docs[patch]: Replace StructuredTool with tool func in docs (#6267) #15026

Job	Run time
Check linting	2m 56s
platform-compatibility (ubuntu-latest)	2m 28s
platform-compatibility (windows-latest)	2m 49s
platform-compatibility (macos-latest)	2m 57s
test-exports / exports-esbuild	2m 55s
test-exports / exports-cf	2m 53s
test-exports / exports-cjs	2m 58s
test-exports / exports-esm	2m 54s
test-exports / exports-tsc	2m 54s
test-exports / exports-vercel	2m 55s
test-exports / exports-vite	2m 53s
	31m 32s

Provide feedback